/*
 * ND2D - A Flash Molehill GPU accelerated 2D engine
 *
 * Author: Lars Gerckens
 * Copyright (c) nulldesign 2011
 * Repository URL: http://github.com/nulldesign/nd2d
 * Getting started: https://github.com/nulldesign/nd2d/wiki
 *
 *
 * Licence Agreement
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package de.nulldesign.nd2d.utils {

    public class NumberUtil {

        /**
         * generates a random number between 0 and 1
         * @return
         */
        public static function rnd0_1():Number {
            return Math.random();
        }

        /**
         * generates a random number between -1 and 1
         * @return
         */
        public static function rndMinus1_1():Number {
            return Math.random() - Math.random();
        }

        /**
         * generates a random number between min and max
         * @param min
         * @param max
         * @return the random number
         */
        public static function rndMinMax(min:Number, max:Number):Number {
            return min + Math.random() * (max - min);
        }

        public static function rndMinMaxInt(min:int, max:int):int {
            return Math.round(rndMinMax(min, max));
        }

        public static function sin0_1(t:Number):Number {
            return 0.5 + Math.sin(t) * 0.5;
        }
    }
}
